基于粒子群优化的升压变换器输出电压纹波降低

电路与系统(英文) Pub Date : 2016-10-28 DOI:10.4236/CS.2016.712332

K. Prithivi, M. Sathyapriya, L. Kumar

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引用次数: 2

摘要

KY升压变换器是现代非隔离DC-DC升压变换器领域的一项发明，具有最小的电压纹波特性。KY升压变换器是KY变换器和传统升压变换器的结合。与传统升压变换器不同，该变换器具有连续输入和输出电感电流的特点。因此，该转换器非常适合于极低纹波应用。在MATLAB/Simulink中设计了基于粒子群优化(PSO)的控制器、基于模糊的控制器和开环KY升压变换器。仿真结果表明，在现有的开环KY升压变换器输出中，输出纹波从1.18 V降低到0.54 V。进一步降低输出纹波至0.29 V，实现了所提出的基于PSO的转换器。仿真结果还显示了不同方法下开关脉冲的变化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Output Voltage Ripple (OVR) Reduction of Boost Converter Using Particle Swarm Optimization

KY Boost Converter, a modern invention in the field of non-isolated DC-DC boost converter is identified for minimum voltage ripple. KY boost converter is the com- bination of KY converter and traditional boost converter. Such a converter has con- tinuous input and output inductor current, different from the traditional boost con- verter. And hence this converter is very suitable for very low-ripple applications. The Particle Swarm Optimization (PSO) based controller, FUZZY based controller and open loop KY boost converter are designed in MATLAB/Simulink model. The simu- lated results show a reduction in output ripple from 1.18 V of the existing open loop KY boost converter output to 0.54 V in the FUZZY logic controlled converter out- put. Further reduction in output ripple to 0.29 V is achieved in the proposed PSO based converter. The simulated results also show the variation of switching pulses based on the different existing and proposed method.

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来源期刊

电路与系统(英文)

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发文量

273